barely made a presidio. they had, like, 50 or 60 people. 90% of the population was in san francisco, and everyone down the peninsula is saying if they are in the county, san francisco has this huge population, we are going to have to go along with them, so they can't get off -- they carved it off. >> it looks like it is the richmond district, but a kind of shows what was on the west side town. a great deal of it was sam, and for that reason, people thought that the weather and the san -- it was really not a place that people wanted to live, and it was going to be very typical for san francisco -- very difficult for san francisco to expand west. >> if you look at the early maps, it was 3 miles wide by about 6 miles long, this huge sand dunes that just moved around. >> here is an 1875 map of the laguna. says along the side of the map, high sand hills between the pacific ocean and the like. by the way, this had actually opened directly into the ocean. >> lake merced had a high water level. since we paid over mu